Theorems · Theorem · category theory
CategoryTheory.Equivalence.functor_unit_comp
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
(e : C ≌ D) (X : C),
CategoryTheory.CategoryStruct.comp (e.functor.map (e.unit.app X)) (e.counit.app (e.functor.obj X)) =
CategoryTheory.CategoryStruct.id (e.functor.obj X)- Defined in
- Mathlib.CategoryTheory.Equivalence
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 22 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- Quiver.Homstatement · cited by 32,603
- CategoryTheory.Functor.objstatement · cited by 19,642
- CategoryTheory.CategoryStruct.compstatement · cited by 17,999
- CategoryTheory.Functor.mapstatement · cited by 8,698
- CategoryTheory.NatTrans.appstatement · cited by 7,406
- CategoryTheory.Functor.compstatement · cited by 6,529
- CategoryTheory.CategoryStruct.idstatement · cited by 6,235
- CategoryTheory.Functor.idstatement · cited by 3,333
- CategoryTheory.Equivalence.functorstatement · cited by 1,268
- CategoryTheory.Equivalence.inversestatement · cited by 1,130
- CategoryTheory.Equivalencestatement and proof · cited by 601
Cited by6
Results whose statement or proof uses this declaration.
- CategoryTheory.Equivalence.inverse_counitInv_compproof · cited by 2
- CategoryTheory.Equivalence.counit_app_functorproof · cited by 2
- CategoryTheory.Equivalence.functor_unit_comp_assocproof · cited by 2
- AlgebraicTopology.DoldKan.Compatibility.equivalenceCounitIso_eqproof · cited by 1
- CategoryTheory.IsVanKampenColimit.whiskerEquivalenceproof · cited by 1
- CategoryTheory.Sieve.pullback_functorPushforward_equivalence_eqproof · cited by 0